On the arithmetical rank of a special class of minimal varieties.
Two very short proofs of combinatorial identity.
On the Number of Equations Defining Certain Varieties.
Almost set-theoretic complete intersections in characteristic zero.
We present a class of toric varieties V which, over any algebraically closed field of characteristic zero, are defined by codim V +1 binomial equations.
On binomial set-theoretic complete intersections in characteristic p.
On unions of scrolls along linear spaces
On Stanley-Reisner rings of reduction number one
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